• 500 BCE


    Hippocrates were founders of Western Medicine.
  • 500 BCE

    The term Epidemic was coined

    Hippocrates coined the term Epidemic
  • 460 BCE


    Hippocrates was known as the father of medicine and was the very first epidemiologist. He was the first person to examine the occurrence of disease and environmental influences. He believed that sickness was caused by an imbalance of the four Humors; air, fire, water, and earth atoms. He created the term "Endemic" for the diseases found in some places but not in others, and "Epidemic" for diseases that were seen at some times but not others.
  • 350 BCE


    350 BC- Aristotle first proposed the idea of spontaneous generation, in which living things result from certain elements under certain conditions, like worms suddenly appearing after it rains.
  • 300 BCE


    A deadly virus spread to people from the saliva of infected animals.
  • Discovery of MicroBiology

    Microbiology was discovered.
  • Discovery of Cells

    1665: Robert Hooke discovers cells in cork, then in living plant tissue using an early compound microscope. He coins the term cell (from Latin cella, meaning "small room") in his book Micrographia (1665).
  • Yellow Fever

    Yellow Fever
    During the Yellow Fever Epidemic of 1793 in Philadelphia, 5,000 or more people were listed in the official register of deaths between August 1st and November 9th.
  • The first Vaccine was made

    Made for smallpox
  • Edward Jenner and Smallpox

    Edward Jenner and Smallpox
    Made a theory that small pox was protecting farmers in his community, he also made a vaccine for it
  • Theodore Schwann

    Cell Theory- "All living things are composed of cells and cell products"
    Worked with yeast and tried to provide a physico-chemical explanation of life.
  • Robert Koch

    The "Founder of modern bacteriology", Koch studied TB, cholera, and anthrax and made several discoveries regarding the behavior and classification of bacteria. His postulates - 4 general principles linking microorganisms to specific diseases, are still recognized today.
  • Typhod Fever

    A bacterial disease spread through contaminated food and water or close contact.
  • Spanish flu

    Spanish flu
    The 1918 flu pandemic was an unusually deadly influenza pandemic, the first of the two pandemics involving H1N1 influenza virus.
  • Antibiotics were Discovered

    Sir Alexander Fleming. Sir Alexander Fleming, a Scottish biologist, defined new horizons for modern antibiotics with his discoveries of enzyme lysozyme (1921) and the antibiotic substance penicillin (1928).
  • Wade Hampton Frost

    At the start of the 20th century the germ theory was still relatively new. Frost was called to New Orleans to investigate an outbreak of Yellow Fever. The role of the mosquito vector, Aedes aegypti, in the transmission of yellow fever had only been recently established. Frost and his team spent weeks eliminating breeding spots for the mosquitoes and prevented spread of the outbreak. It was the last epidemic of Yellow Fever in the U.S.
  • WHO founded

    WHO founded
    The WHO(world health organization) was founded
  • Asian Influenza

    A pandemic of influenza A (H2N2) in 1957-58. First identified in China in late February 1957, the Asian flu spread to the United States by June 1957.
  • HIV

    HIV causes AIDS and interferes with the body's ability to fight infections.
  • Hong Kong Influenza

    The 1968 flu pandemic was a category 2 flu pandemic whose outbreak in 1968 and 1969 killed ... The Hong Kong flu was the first known outbreak of the H3N2 strain, though there is serologic evidence of H3N1 infections in the late 19th century ...
  • Polo Vaccine

    Polio vaccines are vaccines used to prevent poliomyelitis. One type uses inactivated poliovirus and is given by injection, while the other type uses weakened poliovirus and is given by mouth.
  • SARS broke out in china

    Sars broke out in china
  • SARS Epidemic

    A contagious and sometimes fatal respiratory illness caused by a coronavirus.
    Extremely rare now
  • Ecoli Outbreak

    Ecoli broke out in many states
  • West nile outbreak in Texas

    West nile broke out in texas
  • Ebola Outbreak

    Ebola Outbreak
    The current outbreak in West Africa, (first cases notified in March 2014), is the largest and most complex Ebola outbreak since the Ebola virus was first discovered in 1976. There have been more cases and deaths in this outbreak than all others combined.
  • Zika Virus

    Zika Virus broke out
  • Scientist Develop new anitbiotic for Gonnerhea

    Scientists have harnessed the therapeutic effects of carbon monoxide-releasing molecules to develop a new antibiotic which could be used to treat the sexually transmitted infection gonorrhea.
  • Ebola Vaccine was made

    Ebola Vaccine was made
    In 2017 a vaccine for ebola was created.
  • Anton Leeuwenhooke

    Anton Leeuwenhooke
    Known as the "Father of Microbiology", he utilized the first microscopes to make the earliest known observations of bacteria.